CVE-2025-41431
Last modified
CVE-2025-41431 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. When connection mirroring is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate in the standby BIG-IP systems in a traffic group. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.
Description
When connection mirroring is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate in the standby BIG-IP systems in a traffic group. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Access Policy Manager | 17.1.2 |
| F5 | Big-Ip Advanced Firewall Manager | 17.1.2 |
| F5 | Big-Ip Analytics | 17.1.2 |
| F5 | Big-Ip Application Acceleration Manager | 17.1.2 |
| F5 | Big-Ip Application Security Manager | 17.1.2 |
| F5 | Big-Ip Domain Name System | 17.1.2 |
| F5 | Big-Ip Fraud Protection Service | 17.1.2 |
| F5 | Big-Ip Global Traffic Manager | 17.1.2 |
| F5 | Big-Ip Link Controller | 17.1.2 |
| F5 | Big-Ip Local Traffic Manager | 17.1.2 |
| F5 | Big-Ip Policy Enforcement Manager | 17.1.2 |
References
- https://my.f5.com/manage/s/article/K000150668Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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